Hioki MR8880-20, Instruction Manual

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4.9 Recording Using Specific Conditions (Trigger Function)
125
Chapter 4
Set
ting t
h
e Meas
urement
Condit
ions
(
W
hen you want t
o
c
u
st
omize t
h
e
sett
ings)
4
Set [Filt (filter) ].
A trigger is applied when the application condition of
the trigger is met within the period of the set [Filter].
This is effective for preventing incorrect operation
caused by noise.
The options that can be set differ depending on the
function.
Setting options (
∗
. default setting)
(When High-speed Function)
Set by number of samples
Off
∗
, 10S, 20S, 50S, 100S, 200S, 500S, 1000S
(S = Number of samples)
(When Real-time Function)
Off, On (When this is On, the filter width is fixed to 10
ms.
Note: The filter width is 2 samples when the recording
interval is 10 ms or longer.
4
4
OR
[1]
[0]
[X]
[X]
Lx1
Lx2
Lx3
Lx4
[1]
[0]
[X]
[X]
Lx1
Lx2
Lx3
Lx4
AND
[1]
[0]
[X]
[X]
Lx1
Lx2
Lx3
Lx4
[1]
[0]
[X]
[X]
Lx1
Lx2
Lx3
Lx4
T T
T T
Start
Trigger pattern
Start
Start
Start
(Example 1)
(Example 2)
Trigger pattern
Trigger pattern
Trigger pattern
Met
Not met
Met Not met
Met
Met
Met Met Not met
Not met
(Example 2)
(Example 1)
The relation between a pattern being met and a trigger being applied for a logic trig-
ger is as shown below.